linux-kernel - [PATCH 02/17] MFD: twl6040: Add accessor for revision ID

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Message-Id: <1316090379-30760-3-git-send-email-peter.ujfalusi@ti.com>
Date:	Thu, 15 Sep 2011 15:39:24 +0300
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Samuel Ortiz <samuel.ortiz@...el.com>,
	Dmitry Torokhov <dtor@...l.ru>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>
Cc:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	Misael Lopez Cruz <misael.lopez@...com>
Subject: [PATCH 02/17] MFD: twl6040: Add accessor for revision ID

For client driver to use, if they need chip resvision information.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/mfd/twl6040-core.c  |    2 +-
 include/linux/mfd/twl6040.h |    5 +++++
 2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c
index b0519e6..51c3b47 100644
--- a/drivers/mfd/twl6040-core.c
+++ b/drivers/mfd/twl6040-core.c
@@ -491,7 +491,7 @@ static int __devinit twl6040_probe(struct platform_device *pdev)
 	}
 
 	/* ERRATA: Automatic power-up is not possible in ES1.0 */
-	if (twl6040->rev == TWL6040_REV_ES1_0)
+	if (twl6040_get_revid(twl6040) == TWL6040_REV_ES1_0)
 		twl6040->audpwron = -EINVAL;
 
 	/* codec interrupt */
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 4c806f6..cb3b822 100644
--- a/include/linux/mfd/twl6040.h
+++ b/include/linux/mfd/twl6040.h
@@ -225,4 +225,9 @@ unsigned int twl6040_get_sysclk(struct twl6040 *twl6040);
 int twl6040_irq_init(struct twl6040 *twl6040);
 void twl6040_irq_exit(struct twl6040 *twl6040);
 
+static inline int twl6040_get_revid(struct twl6040 *twl6040)
+{
+	return twl6040->rev;
+}
+
 #endif  /* End of __TWL6040_CODEC_H__ */
-- 
1.7.6.1

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